Extending Coverage of Stationary Sensing Systems with Mobile Sensing Systems for Human Mobility ...

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A system called Mohen links a city-scale stationary sensing network of highway toll stations to a small-scale mobile sensing GPS corpus to infer where people go after leaving camera or toll coverage. It encodes observed mobility sequences, finds cross-system similar users, and predicts next locations; evaluation on toll-collection and vehicle GPS logs yields a 35% improvement over single-system baselines and performance competitive with an Oracle that has full mobile traces.

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